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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/05/05 10:41:00 UTC

[jira] [Commented] (SPARK-39105) Add ConditionalExpression trait

    [ https://issues.apache.org/jira/browse/SPARK-39105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17532190#comment-17532190 ] 

Apache Spark commented on SPARK-39105:
--------------------------------------

User 'ulysses-you' has created a pull request for this issue:
https://github.com/apache/spark/pull/36455

> Add ConditionalExpression trait
> -------------------------------
>
>                 Key: SPARK-39105
>                 URL: https://issues.apache.org/jira/browse/SPARK-39105
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.4.0
>            Reporter: XiDuo You
>            Priority: Major
>
> For developers, if a custom conditional like expression contains common sub expression then the evaluation order may be changed since Spark will pull out and eval the common sub expressions first during execution.
> Add ConditionalExpression trait is friendly for developers.



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